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From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
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Cc: hackers@freebsd.org, current@freebsd.org,
	Dieter BSD <dieterbsd@engineer.com>
Subject: Re: Awful FreeBSD 9 block IO performance in KVM
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> kproc that vtblk_strategy() enqueues bio's to. This has been on my
> todo for a while, but haven't had the time. Also, the use of
> bioq_disksort() probably doesn't gain much for virtualized disks,
definitely. it is done by the host.